You can import audio and MIDI files from your computer and use them in your GarageBand song. You can add: Audio files to an existing Audio Recorder or Amp ...
Screenshot: Adding tracks in GarageBand. Click on the button
In GarageBand for Mac, drag the MIDI file you want to import from the Finder to a software instrument track or to the empty area below the existing tracks in the ...
Learn how to import your audio files into GarageBand iOS 11 and later.
How do I important an audio file with garageband for ipad and then add it to a track to loop it. I've read through lots of info already ont this, ...
GarageBand will add it to the list of files; Drag it into your project: tap and
If you're using a Mac, you could easily export a song using GarageBand and then upload the file to your book in Book Creator online. Just go to Media > Import ...
Send the recorded file to your iTunes library
GarageBand's Arrangement Track is useful for trying out new layouts of existing projects
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Learn how to add pre-recoded audio files to your project, and use GarageBand's tools to make an arrangement.